NASA

Why 'The Martian' is NASA's best marketing event in years

Committed to staying aboard the ISS for a year, astronaut turns to Earth Art

See the dark side of the moon move across Earth

Your vitamin B3 may have extraterrestrial origins

NASA finds the most Earth-like exoplanet yet

Why space exploration makes us so proud

New Pluto photos reveal a myriad of mysteries

New Horizons phoned home after Pluto flyby

5 things the Pluto flyby could reveal about Earth

What to expect from the Pluto flyby today

Google launches online summer camp for kids

A brief history of tiny and elusive Pluto

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